10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Hello,
I came across a previous thread "awk-calculating-simple-correlation-rows" which calculated correlations across rows in awk.
Code:
awk '{
a = 0; for (i = 2; i <= NF; ++i) a += $i; a /= NF-1
b = 0; for (i = 2; i <= NF; ++i) b += ($i - a) ^ 2; b = sqrt(b)
if... (7 Replies)
Discussion started by: Ross
7 Replies
2. UNIX for Dummies Questions & Answers
Hi, I wanted to calculate cumulative frequency distribution of my data that involves several arithmetic calls. I did things in excel but its taking me forever. this is what I want to do:
var1.txt contains n observations which I have to compute for frequency which is given by 1/n and subsequently... (7 Replies)
Discussion started by: ida1215
7 Replies
3. Shell Programming and Scripting
Hi all,
I am attempting to calculate a running variance for a file containing a column of numbers. I am using the formula variance=sum((x-mean(x))^2)/(n-1), where x is the value on the current row, and mean(x) is the average of all of the values up until that row. n represents the total number... (1 Reply)
Discussion started by: Jahn
1 Replies
4. Shell Programming and Scripting
I need to find the average from a file like:
data => BW:123 M:30 RTD:0 1 0 1 0 0 1 1 1 1 0 0 1 1 0'
data => BW:123 N:30 RTD:0 1 0 1 0 0 1 1 1 1 0 0 1 1 0'
data => BW:123 N:30 RTD:0 1 0 1 0 0 1 1 1 1 0 0 1 1 0'
data => BW:123 N:30 RTD:0 1 0 1 0 0 1 1 1 1 0 0 1 1 0'
data => BW:123 N:30 RTD:0 1... (4 Replies)
Discussion started by: Slagle
4 Replies
5. Shell Programming and Scripting
Hi All,
I have the following time stamp data in 2 columns
Date TimeStamp(also with milliseconds)
05/23/2012 08:30:11.250
05/23/2012 08:30:15.500
05/23/2012 08:31.15.500
.
.
etc
From this data I need the following output.
0.00( row1-row1 in seconds)
04.25( row2-row1 in... (5 Replies)
Discussion started by: ks_reddy
5 Replies
6. Shell Programming and Scripting
I would like to extract a number from $0 and calculate if it can be devided by 25. Though the number can also be less then 25 or bigger than 100. How do i extract the number and how can the integer be calculated?
String:
"all_results">39</span>I am looking for the number between "all_results"> ... (5 Replies)
Discussion started by: sdf
5 Replies
7. Shell Programming and Scripting
Hey guys, maybe you can help me with this...
I want to read input.dat line by line, while doing a simple calculation between the second column value of the current line and the second column value of the next line (like a difference).
input is something like this:
0 3.945757
1 ... (1 Reply)
Discussion started by: origamisven
1 Replies
8. Shell Programming and Scripting
:confused:Hi,
I have got results from my simulation and I did extract the time field from the results file into new file. Then I was trying to calculate no. of occurrence for each set of time. However, I couldn't.
For example :
0.2 --
0.2 --
0.21016 --
0.21016 --
0.21016 --
.
.
.... (12 Replies)
Discussion started by: ENG_MOHD
12 Replies
9. Shell Programming and Scripting
Hello,
With the following small script I list the size of documents belonging to a certain user by each time selecting the bytes-field of that file ($7). Now it fills the array with every file it finds so in the end the output of some users contains up to 200.000 numbers. So how can I calculate... (7 Replies)
Discussion started by: Hille
7 Replies
10. Filesystems, Disks and Memory
what's the best way to calculate the raw disk space in format. the system is a Solaris system using EMC disks- df -k will give me what's used plus available.Now I need the total disk space that the system is using/assigned. Which means I must inventory the raw disks in format. the system uses... (6 Replies)
Discussion started by: sholiver
6 Replies